Table 5.

Cost reduction rate for each category in VSP comparing with CSP

Category	Step	Group I (%)	Group II (%)
Outpatient workup	Clinical photograph	–
	2-D radiography and CBCT
	Interview
	Impression	49.6*	3.6
	Facebow transfer	100*
	Bite registration	54.2*	5.2
Subtotal		40.6*	2.3
Office workup	Surgical planning	− 22.7*	− 20.2*
	Mounting (Hanau articulator)	100*	–
	Mounting (simple articulator)	5.6	− 0.001
Subtotal		4.5	− 17.3
Laboratory	Case confirm	− 100*	− 100*
	Stent fabrication	76.8*	74.6*
Stent cost		− 32.9*	− 31.7*
Subtotal		− 12.0	− 19.7*
Total		− 9.1	− 18.6*

CSP conventional surgical planning, VSP virtual surgical planning

*Statistically significant (P < 0.01)